/Engine/Plugins/Runtime/GameplayAbilities/Source/GameplayAbilities/Public/GameplayEffect.h
Gather all of the attribute capture definitions necessary to compute the magnitude and place them into the provided array
void GetAttributeCaptureDefinitions ( [TArray](API\Runtime\Core\Containers\TArray)< [FGameplayEffectAttributeCaptureDefinition](API\Plugins\GameplayAbilities\FGameplayEffectAttributeCaptureD-) > & OutCaptureDefs ) const